I know that feeling as well... 26 years for mine!

I'll add my vote for 5 being the most approachable. Plus, it was a nice step up visually from previous games.

You might try file tagging software to try to organize them? Maybe give TagSpaces Lite a try to see if it would work for you? There are other open-source file tagging programs out there too. That way you don't need to manage a particular file structure to sort things into.